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Summary of Significant Accounting Policies (Details Textual)
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Summary of Significant Accounting Policies (Textual) [Abstract]        
Number of stock options outstanding having antidilutive effect 105,000 228,000 105,000 228,000